16874988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 43717968

約数和(自身を除く): 26842980

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 157, 159, 169, 212, 314, 318, 338, 471, 507, 628, 636, 676, 689, 942, 1014, 1378, 1884, 2028, 2041, 2067, 2756, 4082, 4134, 6123, 8164, 8268, 8321, 8957, 12246, 16642, 17914, 24492, 24963, 26533, 26871, 33284, 35828, 49926, 53066, 53742, 79599, 99852, 106132, 107484, 108173, 159198, 216346, 318396, 324519, 432692, 649038, 1298076, 1406249, 2812498, 4218747, 5624996, 8437494, 16874988]

約数ペア:

[(1, 16874988), (2, 8437494), (3, 5624996), (4, 4218747), (6, 2812498), (12, 1406249), (13, 1298076), (26, 649038), (39, 432692), (52, 324519), (53, 318396), (78, 216346), (106, 159198), (156, 108173), (157, 107484), (159, 106132), (169, 99852), (212, 79599), (314, 53742), (318, 53066), (338, 49926), (471, 35828), (507, 33284), (628, 26871), (636, 26533), (676, 24963), (689, 24492), (942, 17914), (1014, 16642), (1378, 12246), (1884, 8957), (2028, 8321), (2041, 8268), (2067, 8164), (2756, 6123), (4082, 4134)]