19298760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 63504000

約数和(自身を除く): 44205240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 89, 104, 120, 130, 139, 156, 178, 195, 260, 267, 278, 312, 356, 390, 417, 445, 520, 534, 556, 695, 712, 780, 834, 890, 1068, 1112, 1157, 1335, 1390, 1560, 1668, 1780, 1807, 2085, 2136, 2314, 2670, 2780, 3336, 3471, 3560, 3614, 4170, 4628, 5340, 5421, 5560, 5785, 6942, 7228, 8340, 9035, 9256, 10680, 10842, 11570, 12371, 13884, 14456, 16680, 17355, 18070, 21684, 23140, 24742, 27105, 27768, 34710, 36140, 37113, 43368, 46280, 49484, 54210, 61855, 69420, 72280, 74226, 98968, 108420, 123710, 138840, 148452, 160823, 185565, 216840, 247420, 296904, 321646, 371130, 482469, 494840, 643292, 742260, 804115, 964938, 1286584, 1484520, 1608230, 1929876, 2412345, 3216460, 3859752, 4824690, 6432920, 9649380, 19298760]

約数ペア:

[(1, 19298760), (2, 9649380), (3, 6432920), (4, 4824690), (5, 3859752), (6, 3216460), (8, 2412345), (10, 1929876), (12, 1608230), (13, 1484520), (15, 1286584), (20, 964938), (24, 804115), (26, 742260), (30, 643292), (39, 494840), (40, 482469), (52, 371130), (60, 321646), (65, 296904), (78, 247420), (89, 216840), (104, 185565), (120, 160823), (130, 148452), (139, 138840), (156, 123710), (178, 108420), (195, 98968), (260, 74226), (267, 72280), (278, 69420), (312, 61855), (356, 54210), (390, 49484), (417, 46280), (445, 43368), (520, 37113), (534, 36140), (556, 34710), (695, 27768), (712, 27105), (780, 24742), (834, 23140), (890, 21684), (1068, 18070), (1112, 17355), (1157, 16680), (1335, 14456), (1390, 13884), (1560, 12371), (1668, 11570), (1780, 10842), (1807, 10680), (2085, 9256), (2136, 9035), (2314, 8340), (2670, 7228), (2780, 6942), (3336, 5785), (3471, 5560), (3560, 5421), (3614, 5340), (4170, 4628)]