18410235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 33758208

約数和(自身を除く): 15347973

約数列:

[1, 3, 5, 15, 17, 23, 43, 51, 69, 73, 85, 115, 129, 215, 219, 255, 345, 365, 391, 645, 731, 989, 1095, 1173, 1241, 1679, 1955, 2193, 2967, 3139, 3655, 3723, 4945, 5037, 5865, 6205, 8395, 9417, 10965, 14835, 15695, 16813, 18615, 25185, 28543, 47085, 50439, 53363, 72197, 84065, 85629, 142715, 160089, 216591, 252195, 266815, 360985, 428145, 800445, 1082955, 1227349, 3682047, 6136745, 18410235]

約数ペア:

[(1, 18410235), (3, 6136745), (5, 3682047), (15, 1227349), (17, 1082955), (23, 800445), (43, 428145), (51, 360985), (69, 266815), (73, 252195), (85, 216591), (115, 160089), (129, 142715), (215, 85629), (219, 84065), (255, 72197), (345, 53363), (365, 50439), (391, 47085), (645, 28543), (731, 25185), (989, 18615), (1095, 16813), (1173, 15695), (1241, 14835), (1679, 10965), (1955, 9417), (2193, 8395), (2967, 6205), (3139, 5865), (3655, 5037), (3723, 4945)]