19030880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{983}}^1$

素因数の和:1020

約数の個数: 72

約数和(自身を含む): 49469616

約数和(自身を除く): 30438736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 983, 1210, 1760, 1936, 1966, 2420, 3872, 3932, 4840, 4915, 7864, 9680, 9830, 10813, 15728, 19360, 19660, 21626, 31456, 39320, 43252, 54065, 78640, 86504, 108130, 118943, 157280, 173008, 216260, 237886, 346016, 432520, 475772, 594715, 865040, 951544, 1189430, 1730080, 1903088, 2378860, 3806176, 4757720, 9515440, 19030880]

約数ペア:

[(1, 19030880), (2, 9515440), (4, 4757720), (5, 3806176), (8, 2378860), (10, 1903088), (11, 1730080), (16, 1189430), (20, 951544), (22, 865040), (32, 594715), (40, 475772), (44, 432520), (55, 346016), (80, 237886), (88, 216260), (110, 173008), (121, 157280), (160, 118943), (176, 108130), (220, 86504), (242, 78640), (352, 54065), (440, 43252), (484, 39320), (605, 31456), (880, 21626), (968, 19660), (983, 19360), (1210, 15728), (1760, 10813), (1936, 9830), (1966, 9680), (2420, 7864), (3872, 4915), (3932, 4840)]