19692140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 28570900

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 37, 46, 52, 65, 74, 89, 92, 115, 130, 148, 178, 185, 230, 260, 299, 356, 370, 445, 460, 481, 598, 740, 851, 890, 962, 1157, 1196, 1495, 1702, 1780, 1924, 2047, 2314, 2405, 2990, 3293, 3404, 4094, 4255, 4628, 4810, 5785, 5980, 6586, 8188, 8510, 9620, 10235, 11063, 11570, 13172, 16465, 17020, 20470, 22126, 23140, 26611, 32930, 40940, 42809, 44252, 53222, 55315, 65860, 75739, 85618, 106444, 110630, 133055, 151478, 171236, 214045, 221260, 266110, 302956, 378695, 428090, 532220, 757390, 856180, 984607, 1514780, 1969214, 3938428, 4923035, 9846070, 19692140]

約数ペア:

[(1, 19692140), (2, 9846070), (4, 4923035), (5, 3938428), (10, 1969214), (13, 1514780), (20, 984607), (23, 856180), (26, 757390), (37, 532220), (46, 428090), (52, 378695), (65, 302956), (74, 266110), (89, 221260), (92, 214045), (115, 171236), (130, 151478), (148, 133055), (178, 110630), (185, 106444), (230, 85618), (260, 75739), (299, 65860), (356, 55315), (370, 53222), (445, 44252), (460, 42809), (481, 40940), (598, 32930), (740, 26611), (851, 23140), (890, 22126), (962, 20470), (1157, 17020), (1196, 16465), (1495, 13172), (1702, 11570), (1780, 11063), (1924, 10235), (2047, 9620), (2314, 8510), (2405, 8188), (2990, 6586), (3293, 5980), (3404, 5785), (4094, 4810), (4255, 4628)]