19571230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 23559650

約数列:

[1, 2, 5, 7, 10, 14, 29, 31, 35, 58, 62, 70, 145, 155, 203, 217, 290, 310, 311, 406, 434, 622, 899, 1015, 1085, 1555, 1798, 2030, 2170, 2177, 3110, 4354, 4495, 6293, 8990, 9019, 9641, 10885, 12586, 18038, 19282, 21770, 31465, 45095, 48205, 62930, 63133, 67487, 90190, 96410, 126266, 134974, 279589, 315665, 337435, 559178, 631330, 674870, 1397945, 1957123, 2795890, 3914246, 9785615, 19571230]

約数ペア:

[(1, 19571230), (2, 9785615), (5, 3914246), (7, 2795890), (10, 1957123), (14, 1397945), (29, 674870), (31, 631330), (35, 559178), (58, 337435), (62, 315665), (70, 279589), (145, 134974), (155, 126266), (203, 96410), (217, 90190), (290, 67487), (310, 63133), (311, 62930), (406, 48205), (434, 45095), (622, 31465), (899, 21770), (1015, 19282), (1085, 18038), (1555, 12586), (1798, 10885), (2030, 9641), (2170, 9019), (2177, 8990), (3110, 6293), (4354, 4495)]