19635720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 65197440

約数和(自身を除く): 45561720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 307, 312, 328, 390, 410, 492, 520, 533, 614, 615, 780, 820, 921, 984, 1066, 1228, 1230, 1535, 1560, 1599, 1640, 1842, 2132, 2456, 2460, 2665, 3070, 3198, 3684, 3991, 4264, 4605, 4920, 5330, 6140, 6396, 7368, 7982, 7995, 9210, 10660, 11973, 12280, 12587, 12792, 15964, 15990, 18420, 19955, 21320, 23946, 25174, 31928, 31980, 36840, 37761, 39910, 47892, 50348, 59865, 62935, 63960, 75522, 79820, 95784, 100696, 119730, 125870, 151044, 159640, 163631, 188805, 239460, 251740, 302088, 327262, 377610, 478920, 490893, 503480, 654524, 755220, 818155, 981786, 1309048, 1510440, 1636310, 1963572, 2454465, 3272620, 3927144, 4908930, 6545240, 9817860, 19635720]

約数ペア:

[(1, 19635720), (2, 9817860), (3, 6545240), (4, 4908930), (5, 3927144), (6, 3272620), (8, 2454465), (10, 1963572), (12, 1636310), (13, 1510440), (15, 1309048), (20, 981786), (24, 818155), (26, 755220), (30, 654524), (39, 503480), (40, 490893), (41, 478920), (52, 377610), (60, 327262), (65, 302088), (78, 251740), (82, 239460), (104, 188805), (120, 163631), (123, 159640), (130, 151044), (156, 125870), (164, 119730), (195, 100696), (205, 95784), (246, 79820), (260, 75522), (307, 63960), (312, 62935), (328, 59865), (390, 50348), (410, 47892), (492, 39910), (520, 37761), (533, 36840), (614, 31980), (615, 31928), (780, 25174), (820, 23946), (921, 21320), (984, 19955), (1066, 18420), (1228, 15990), (1230, 15964), (1535, 12792), (1560, 12587), (1599, 12280), (1640, 11973), (1842, 10660), (2132, 9210), (2456, 7995), (2460, 7982), (2665, 7368), (3070, 6396), (3198, 6140), (3684, 5330), (3991, 4920), (4264, 4605)]