19789470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 54722304

約数和(自身を除く): 34932834

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 41, 45, 62, 82, 90, 93, 123, 155, 173, 186, 205, 246, 279, 310, 346, 369, 410, 465, 519, 558, 615, 738, 865, 930, 1038, 1230, 1271, 1395, 1557, 1730, 1845, 2542, 2595, 2790, 3114, 3690, 3813, 5190, 5363, 6355, 7093, 7626, 7785, 10726, 11439, 12710, 14186, 15570, 16089, 19065, 21279, 22878, 26815, 32178, 35465, 38130, 42558, 48267, 53630, 57195, 63837, 70930, 80445, 96534, 106395, 114390, 127674, 160890, 212790, 219883, 241335, 319185, 439766, 482670, 638370, 659649, 1099415, 1319298, 1978947, 2198830, 3298245, 3957894, 6596490, 9894735, 19789470]

約数ペア:

[(1, 19789470), (2, 9894735), (3, 6596490), (5, 3957894), (6, 3298245), (9, 2198830), (10, 1978947), (15, 1319298), (18, 1099415), (30, 659649), (31, 638370), (41, 482670), (45, 439766), (62, 319185), (82, 241335), (90, 219883), (93, 212790), (123, 160890), (155, 127674), (173, 114390), (186, 106395), (205, 96534), (246, 80445), (279, 70930), (310, 63837), (346, 57195), (369, 53630), (410, 48267), (465, 42558), (519, 38130), (558, 35465), (615, 32178), (738, 26815), (865, 22878), (930, 21279), (1038, 19065), (1230, 16089), (1271, 15570), (1395, 14186), (1557, 12710), (1730, 11439), (1845, 10726), (2542, 7785), (2595, 7626), (2790, 7093), (3114, 6355), (3690, 5363), (3813, 5190)]