19538208

素因数分解:

$2^5\times 3^2\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:574

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 36481392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 179, 288, 358, 379, 537, 716, 758, 1074, 1137, 1432, 1516, 1611, 2148, 2274, 2864, 3032, 3222, 3411, 4296, 4548, 5728, 6064, 6444, 6822, 8592, 9096, 12128, 12888, 13644, 17184, 18192, 25776, 27288, 36384, 51552, 54576, 67841, 109152, 135682, 203523, 271364, 407046, 542728, 610569, 814092, 1085456, 1221138, 1628184, 2170912, 2442276, 3256368, 4884552, 6512736, 9769104, 19538208]

約数ペア:

[(1, 19538208), (2, 9769104), (3, 6512736), (4, 4884552), (6, 3256368), (8, 2442276), (9, 2170912), (12, 1628184), (16, 1221138), (18, 1085456), (24, 814092), (32, 610569), (36, 542728), (48, 407046), (72, 271364), (96, 203523), (144, 135682), (179, 109152), (288, 67841), (358, 54576), (379, 51552), (537, 36384), (716, 27288), (758, 25776), (1074, 18192), (1137, 17184), (1432, 13644), (1516, 12888), (1611, 12128), (2148, 9096), (2274, 8592), (2864, 6822), (3032, 6444), (3222, 6064), (3411, 5728), (4296, 4548)]