17390890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 36858240

約数和(自身を除く): 19467350

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 53, 55, 95, 106, 110, 157, 190, 209, 265, 314, 418, 530, 583, 785, 1007, 1045, 1166, 1570, 1727, 2014, 2090, 2915, 2983, 3454, 5035, 5830, 5966, 8321, 8635, 10070, 11077, 14915, 16642, 17270, 22154, 29830, 32813, 41605, 55385, 65626, 83210, 91531, 110770, 158099, 164065, 183062, 316198, 328130, 457655, 790495, 915310, 1580990, 1739089, 3478178, 8695445, 17390890]

約数ペア:

[(1, 17390890), (2, 8695445), (5, 3478178), (10, 1739089), (11, 1580990), (19, 915310), (22, 790495), (38, 457655), (53, 328130), (55, 316198), (95, 183062), (106, 164065), (110, 158099), (157, 110770), (190, 91531), (209, 83210), (265, 65626), (314, 55385), (418, 41605), (530, 32813), (583, 29830), (785, 22154), (1007, 17270), (1045, 16642), (1166, 14915), (1570, 11077), (1727, 10070), (2014, 8635), (2090, 8321), (2915, 5966), (2983, 5830), (3454, 5035)]