18873840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4174

約数の個数: 80

約数和(自身を含む): 61603200

約数和(自身を除く): 42729360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4139, 4560, 8278, 12417, 16556, 20695, 24834, 33112, 41390, 49668, 62085, 66224, 78641, 82780, 99336, 124170, 157282, 165560, 198672, 235923, 248340, 314564, 331120, 393205, 471846, 496680, 629128, 786410, 943692, 993360, 1179615, 1258256, 1572820, 1887384, 2359230, 3145640, 3774768, 4718460, 6291280, 9436920, 18873840]

約数ペア:

[(1, 18873840), (2, 9436920), (3, 6291280), (4, 4718460), (5, 3774768), (6, 3145640), (8, 2359230), (10, 1887384), (12, 1572820), (15, 1258256), (16, 1179615), (19, 993360), (20, 943692), (24, 786410), (30, 629128), (38, 496680), (40, 471846), (48, 393205), (57, 331120), (60, 314564), (76, 248340), (80, 235923), (95, 198672), (114, 165560), (120, 157282), (152, 124170), (190, 99336), (228, 82780), (240, 78641), (285, 66224), (304, 62085), (380, 49668), (456, 41390), (570, 33112), (760, 24834), (912, 20695), (1140, 16556), (1520, 12417), (2280, 8278), (4139, 4560)]