19348720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 48934368

約数和(自身を除く): 29585648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 347, 410, 656, 680, 694, 697, 820, 1360, 1388, 1394, 1640, 1735, 2776, 2788, 3280, 3470, 3485, 5552, 5576, 5899, 6940, 6970, 11152, 11798, 13880, 13940, 14227, 23596, 27760, 27880, 28454, 29495, 47192, 55760, 56908, 58990, 71135, 94384, 113816, 117980, 142270, 227632, 235960, 241859, 284540, 471920, 483718, 569080, 967436, 1138160, 1209295, 1934872, 2418590, 3869744, 4837180, 9674360, 19348720]

約数ペア:

[(1, 19348720), (2, 9674360), (4, 4837180), (5, 3869744), (8, 2418590), (10, 1934872), (16, 1209295), (17, 1138160), (20, 967436), (34, 569080), (40, 483718), (41, 471920), (68, 284540), (80, 241859), (82, 235960), (85, 227632), (136, 142270), (164, 117980), (170, 113816), (205, 94384), (272, 71135), (328, 58990), (340, 56908), (347, 55760), (410, 47192), (656, 29495), (680, 28454), (694, 27880), (697, 27760), (820, 23596), (1360, 14227), (1388, 13940), (1394, 13880), (1640, 11798), (1735, 11152), (2776, 6970), (2788, 6940), (3280, 5899), (3470, 5576), (3485, 5552)]