18247840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 48093696

約数和(自身を除く): 29845856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 283, 310, 403, 416, 496, 520, 566, 620, 806, 992, 1040, 1132, 1240, 1415, 1612, 2015, 2080, 2264, 2480, 2830, 3224, 3679, 4030, 4528, 4960, 5660, 6448, 7358, 8060, 8773, 9056, 11320, 12896, 14716, 16120, 17546, 18395, 22640, 29432, 32240, 35092, 36790, 43865, 45280, 58864, 64480, 70184, 73580, 87730, 114049, 117728, 140368, 147160, 175460, 228098, 280736, 294320, 350920, 456196, 570245, 588640, 701840, 912392, 1140490, 1403680, 1824784, 2280980, 3649568, 4561960, 9123920, 18247840]

約数ペア:

[(1, 18247840), (2, 9123920), (4, 4561960), (5, 3649568), (8, 2280980), (10, 1824784), (13, 1403680), (16, 1140490), (20, 912392), (26, 701840), (31, 588640), (32, 570245), (40, 456196), (52, 350920), (62, 294320), (65, 280736), (80, 228098), (104, 175460), (124, 147160), (130, 140368), (155, 117728), (160, 114049), (208, 87730), (248, 73580), (260, 70184), (283, 64480), (310, 58864), (403, 45280), (416, 43865), (496, 36790), (520, 35092), (566, 32240), (620, 29432), (806, 22640), (992, 18395), (1040, 17546), (1132, 16120), (1240, 14716), (1415, 12896), (1612, 11320), (2015, 9056), (2080, 8773), (2264, 8060), (2480, 7358), (2830, 6448), (3224, 5660), (3679, 4960), (4030, 4528)]