19912230

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 160

約数和(自身を含む): 60496128

約数和(自身を除く): 40583898

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 61, 62, 65, 78, 81, 90, 93, 117, 122, 130, 135, 155, 162, 183, 186, 195, 234, 270, 279, 305, 310, 351, 366, 390, 403, 405, 465, 549, 558, 585, 610, 702, 793, 806, 810, 837, 915, 930, 1053, 1098, 1170, 1209, 1395, 1586, 1647, 1674, 1755, 1830, 1891, 2015, 2106, 2379, 2418, 2511, 2745, 2790, 3294, 3510, 3627, 3782, 3965, 4030, 4185, 4758, 4941, 5022, 5265, 5490, 5673, 6045, 7137, 7254, 7930, 8235, 8370, 9455, 9882, 10530, 10881, 11346, 11895, 12090, 12555, 14274, 16470, 17019, 18135, 18910, 21411, 21762, 23790, 24583, 24705, 25110, 28365, 32643, 34038, 35685, 36270, 42822, 49166, 49410, 51057, 54405, 56730, 64233, 65286, 71370, 73749, 85095, 102114, 107055, 108810, 122915, 128466, 147498, 153171, 163215, 170190, 214110, 221247, 245830, 255285, 306342, 321165, 326430, 368745, 442494, 510570, 642330, 663741, 737490, 765855, 1106235, 1327482, 1531710, 1991223, 2212470, 3318705, 3982446, 6637410, 9956115, 19912230]

約数ペア:

[(1, 19912230), (2, 9956115), (3, 6637410), (5, 3982446), (6, 3318705), (9, 2212470), (10, 1991223), (13, 1531710), (15, 1327482), (18, 1106235), (26, 765855), (27, 737490), (30, 663741), (31, 642330), (39, 510570), (45, 442494), (54, 368745), (61, 326430), (62, 321165), (65, 306342), (78, 255285), (81, 245830), (90, 221247), (93, 214110), (117, 170190), (122, 163215), (130, 153171), (135, 147498), (155, 128466), (162, 122915), (183, 108810), (186, 107055), (195, 102114), (234, 85095), (270, 73749), (279, 71370), (305, 65286), (310, 64233), (351, 56730), (366, 54405), (390, 51057), (403, 49410), (405, 49166), (465, 42822), (549, 36270), (558, 35685), (585, 34038), (610, 32643), (702, 28365), (793, 25110), (806, 24705), (810, 24583), (837, 23790), (915, 21762), (930, 21411), (1053, 18910), (1098, 18135), (1170, 17019), (1209, 16470), (1395, 14274), (1586, 12555), (1647, 12090), (1674, 11895), (1755, 11346), (1830, 10881), (1891, 10530), (2015, 9882), (2106, 9455), (2379, 8370), (2418, 8235), (2511, 7930), (2745, 7254), (2790, 7137), (3294, 6045), (3510, 5673), (3627, 5490), (3782, 5265), (3965, 5022), (4030, 4941), (4185, 4758)]