19350820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 44593920

約数和(自身を除く): 25243100

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 59, 62, 92, 115, 118, 124, 155, 230, 236, 295, 310, 460, 529, 590, 620, 713, 1058, 1180, 1357, 1426, 1829, 2116, 2645, 2714, 2852, 3565, 3658, 5290, 5428, 6785, 7130, 7316, 9145, 10580, 13570, 14260, 16399, 18290, 27140, 31211, 32798, 36580, 42067, 62422, 65596, 81995, 84134, 124844, 156055, 163990, 168268, 210335, 312110, 327980, 420670, 624220, 841340, 967541, 1935082, 3870164, 4837705, 9675410, 19350820]

約数ペア:

[(1, 19350820), (2, 9675410), (4, 4837705), (5, 3870164), (10, 1935082), (20, 967541), (23, 841340), (31, 624220), (46, 420670), (59, 327980), (62, 312110), (92, 210335), (115, 168268), (118, 163990), (124, 156055), (155, 124844), (230, 84134), (236, 81995), (295, 65596), (310, 62422), (460, 42067), (529, 36580), (590, 32798), (620, 31211), (713, 27140), (1058, 18290), (1180, 16399), (1357, 14260), (1426, 13570), (1829, 10580), (2116, 9145), (2645, 7316), (2714, 7130), (2852, 6785), (3565, 5428), (3658, 5290)]