19285380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5639}}^1$

素因数の和:5673

約数の個数: 72

約数和(自身を含む): 61588800

約数和(自身を除く): 42303420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5639, 11278, 16917, 22556, 28195, 33834, 50751, 56390, 67668, 84585, 101502, 107141, 112780, 169170, 203004, 214282, 253755, 321423, 338340, 428564, 507510, 535705, 642846, 964269, 1015020, 1071410, 1285692, 1607115, 1928538, 2142820, 3214230, 3857076, 4821345, 6428460, 9642690, 19285380]

約数ペア:

[(1, 19285380), (2, 9642690), (3, 6428460), (4, 4821345), (5, 3857076), (6, 3214230), (9, 2142820), (10, 1928538), (12, 1607115), (15, 1285692), (18, 1071410), (19, 1015020), (20, 964269), (30, 642846), (36, 535705), (38, 507510), (45, 428564), (57, 338340), (60, 321423), (76, 253755), (90, 214282), (95, 203004), (114, 169170), (171, 112780), (180, 107141), (190, 101502), (228, 84585), (285, 67668), (342, 56390), (380, 50751), (570, 33834), (684, 28195), (855, 22556), (1140, 16917), (1710, 11278), (3420, 5639)]