19653660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 66227616

約数和(自身を除く): 46573956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 227, 234, 260, 333, 370, 390, 444, 454, 468, 481, 555, 585, 666, 681, 740, 780, 908, 962, 1110, 1135, 1170, 1332, 1362, 1443, 1665, 1924, 2043, 2220, 2270, 2340, 2405, 2724, 2886, 2951, 3330, 3405, 4086, 4329, 4540, 4810, 5772, 5902, 6660, 6810, 7215, 8172, 8399, 8658, 8853, 9620, 10215, 11804, 13620, 14430, 14755, 16798, 17316, 17706, 20430, 21645, 25197, 26559, 28860, 29510, 33596, 35412, 40860, 41995, 43290, 44265, 50394, 53118, 59020, 75591, 83990, 86580, 88530, 100788, 106236, 109187, 125985, 132795, 151182, 167980, 177060, 218374, 251970, 265590, 302364, 327561, 377955, 436748, 503940, 531180, 545935, 655122, 755910, 982683, 1091870, 1310244, 1511820, 1637805, 1965366, 2183740, 3275610, 3930732, 4913415, 6551220, 9826830, 19653660]

約数ペア:

[(1, 19653660), (2, 9826830), (3, 6551220), (4, 4913415), (5, 3930732), (6, 3275610), (9, 2183740), (10, 1965366), (12, 1637805), (13, 1511820), (15, 1310244), (18, 1091870), (20, 982683), (26, 755910), (30, 655122), (36, 545935), (37, 531180), (39, 503940), (45, 436748), (52, 377955), (60, 327561), (65, 302364), (74, 265590), (78, 251970), (90, 218374), (111, 177060), (117, 167980), (130, 151182), (148, 132795), (156, 125985), (180, 109187), (185, 106236), (195, 100788), (222, 88530), (227, 86580), (234, 83990), (260, 75591), (333, 59020), (370, 53118), (390, 50394), (444, 44265), (454, 43290), (468, 41995), (481, 40860), (555, 35412), (585, 33596), (666, 29510), (681, 28860), (740, 26559), (780, 25197), (908, 21645), (962, 20430), (1110, 17706), (1135, 17316), (1170, 16798), (1332, 14755), (1362, 14430), (1443, 13620), (1665, 11804), (1924, 10215), (2043, 9620), (2220, 8853), (2270, 8658), (2340, 8399), (2405, 8172), (2724, 7215), (2886, 6810), (2951, 6660), (3330, 5902), (3405, 5772), (4086, 4810), (4329, 4540)]