18911860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 27536780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 47, 55, 59, 62, 94, 110, 118, 124, 155, 188, 220, 235, 236, 295, 310, 341, 470, 517, 590, 620, 649, 682, 940, 1034, 1180, 1298, 1364, 1457, 1705, 1829, 2068, 2585, 2596, 2773, 2914, 3245, 3410, 3658, 5170, 5546, 5828, 6490, 6820, 7285, 7316, 9145, 10340, 11092, 12980, 13865, 14570, 16027, 18290, 20119, 27730, 29140, 30503, 32054, 36580, 40238, 55460, 61006, 64108, 80135, 80476, 85963, 100595, 122012, 152515, 160270, 171926, 201190, 305030, 320540, 343852, 402380, 429815, 610060, 859630, 945593, 1719260, 1891186, 3782372, 4727965, 9455930, 18911860]

約数ペア:

[(1, 18911860), (2, 9455930), (4, 4727965), (5, 3782372), (10, 1891186), (11, 1719260), (20, 945593), (22, 859630), (31, 610060), (44, 429815), (47, 402380), (55, 343852), (59, 320540), (62, 305030), (94, 201190), (110, 171926), (118, 160270), (124, 152515), (155, 122012), (188, 100595), (220, 85963), (235, 80476), (236, 80135), (295, 64108), (310, 61006), (341, 55460), (470, 40238), (517, 36580), (590, 32054), (620, 30503), (649, 29140), (682, 27730), (940, 20119), (1034, 18290), (1180, 16027), (1298, 14570), (1364, 13865), (1457, 12980), (1705, 11092), (1829, 10340), (2068, 9145), (2585, 7316), (2596, 7285), (2773, 6820), (2914, 6490), (3245, 5828), (3410, 5546), (3658, 5170)]