19497140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 27919180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 41, 52, 59, 62, 65, 82, 118, 124, 130, 155, 164, 205, 236, 260, 295, 310, 403, 410, 533, 590, 620, 767, 806, 820, 1066, 1180, 1271, 1534, 1612, 1829, 2015, 2132, 2419, 2542, 2665, 3068, 3658, 3835, 4030, 4838, 5084, 5330, 6355, 7316, 7670, 8060, 9145, 9676, 10660, 12095, 12710, 15340, 16523, 18290, 23777, 24190, 25420, 31447, 33046, 36580, 47554, 48380, 62894, 66092, 74989, 82615, 95108, 118885, 125788, 149978, 157235, 165230, 237770, 299956, 314470, 330460, 374945, 475540, 628940, 749890, 974857, 1499780, 1949714, 3899428, 4874285, 9748570, 19497140]

約数ペア:

[(1, 19497140), (2, 9748570), (4, 4874285), (5, 3899428), (10, 1949714), (13, 1499780), (20, 974857), (26, 749890), (31, 628940), (41, 475540), (52, 374945), (59, 330460), (62, 314470), (65, 299956), (82, 237770), (118, 165230), (124, 157235), (130, 149978), (155, 125788), (164, 118885), (205, 95108), (236, 82615), (260, 74989), (295, 66092), (310, 62894), (403, 48380), (410, 47554), (533, 36580), (590, 33046), (620, 31447), (767, 25420), (806, 24190), (820, 23777), (1066, 18290), (1180, 16523), (1271, 15340), (1534, 12710), (1612, 12095), (1829, 10660), (2015, 9676), (2132, 9145), (2419, 8060), (2542, 7670), (2665, 7316), (3068, 6355), (3658, 5330), (3835, 5084), (4030, 4838)]