2018725376

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{207517}}^1$

素因数の和:207554

約数の個数: 40

約数和(自身を含む): 4245818280

約数和(自身を除く): 2227092904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 207517, 415034, 830068, 1660136, 3320272, 3942823, 6640544, 7885646, 13281088, 15771292, 26562176, 31542584, 53124352, 63085168, 106248704, 126170336, 252340672, 504681344, 1009362688, 2018725376]

約数ペア:

[(1, 2018725376), (2, 1009362688), (4, 504681344), (8, 252340672), (16, 126170336), (19, 106248704), (32, 63085168), (38, 53124352), (64, 31542584), (76, 26562176), (128, 15771292), (152, 13281088), (256, 7885646), (304, 6640544), (512, 3942823), (608, 3320272), (1216, 1660136), (2432, 830068), (4864, 415034), (9728, 207517)]