19895490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1$

素因数の和:2424

約数の個数: 64

約数和(自身を含む): 54789120

約数和(自身を除く): 34893630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2377, 2790, 4185, 4754, 7131, 8370, 11885, 14262, 21393, 23770, 35655, 42786, 64179, 71310, 73687, 106965, 128358, 147374, 213930, 221061, 320895, 368435, 442122, 641790, 663183, 736870, 1105305, 1326366, 1989549, 2210610, 3315915, 3979098, 6631830, 9947745, 19895490]

約数ペア:

[(1, 19895490), (2, 9947745), (3, 6631830), (5, 3979098), (6, 3315915), (9, 2210610), (10, 1989549), (15, 1326366), (18, 1105305), (27, 736870), (30, 663183), (31, 641790), (45, 442122), (54, 368435), (62, 320895), (90, 221061), (93, 213930), (135, 147374), (155, 128358), (186, 106965), (270, 73687), (279, 71310), (310, 64179), (465, 42786), (558, 35655), (837, 23770), (930, 21393), (1395, 14262), (1674, 11885), (2377, 8370), (2790, 7131), (4185, 4754)]