19108480

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 46420200

約数和(自身を除く): 27311720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 409, 584, 640, 730, 818, 1168, 1460, 1636, 2045, 2336, 2920, 3272, 4090, 4672, 5840, 6544, 8180, 9344, 11680, 13088, 16360, 23360, 26176, 29857, 32720, 46720, 52352, 59714, 65440, 119428, 130880, 149285, 238856, 261760, 298570, 477712, 597140, 955424, 1194280, 1910848, 2388560, 3821696, 4777120, 9554240, 19108480]

約数ペア:

[(1, 19108480), (2, 9554240), (4, 4777120), (5, 3821696), (8, 2388560), (10, 1910848), (16, 1194280), (20, 955424), (32, 597140), (40, 477712), (64, 298570), (73, 261760), (80, 238856), (128, 149285), (146, 130880), (160, 119428), (292, 65440), (320, 59714), (365, 52352), (409, 46720), (584, 32720), (640, 29857), (730, 26176), (818, 23360), (1168, 16360), (1460, 13088), (1636, 11680), (2045, 9344), (2336, 8180), (2920, 6544), (3272, 5840), (4090, 4672)]