18590132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 38431680

約数和(自身を除く): 19841548

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 601, 703, 814, 836, 1202, 1406, 1628, 2404, 2812, 6611, 7733, 11419, 13222, 15466, 22237, 22838, 26444, 30932, 44474, 45676, 88948, 125609, 244607, 251218, 422503, 489214, 502436, 845006, 978428, 1690012, 4647533, 9295066, 18590132]

約数ペア:

[(1, 18590132), (2, 9295066), (4, 4647533), (11, 1690012), (19, 978428), (22, 845006), (37, 502436), (38, 489214), (44, 422503), (74, 251218), (76, 244607), (148, 125609), (209, 88948), (407, 45676), (418, 44474), (601, 30932), (703, 26444), (814, 22838), (836, 22237), (1202, 15466), (1406, 13222), (1628, 11419), (2404, 7733), (2812, 6611)]