19493040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 70995456

約数和(自身を除く): 51502416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 105, 112, 120, 123, 140, 164, 168, 205, 210, 240, 246, 280, 283, 287, 328, 336, 410, 420, 492, 560, 566, 574, 615, 656, 820, 840, 849, 861, 984, 1132, 1148, 1230, 1415, 1435, 1640, 1680, 1698, 1722, 1968, 1981, 2264, 2296, 2460, 2830, 2870, 3280, 3396, 3444, 3962, 4245, 4305, 4528, 4592, 4920, 5660, 5740, 5943, 6792, 6888, 7924, 8490, 8610, 9840, 9905, 11320, 11480, 11603, 11886, 13584, 13776, 15848, 16980, 17220, 19810, 22640, 22960, 23206, 23772, 29715, 31696, 33960, 34440, 34809, 39620, 46412, 47544, 58015, 59430, 67920, 68880, 69618, 79240, 81221, 92824, 95088, 116030, 118860, 139236, 158480, 162442, 174045, 185648, 232060, 237720, 243663, 278472, 324884, 348090, 406105, 464120, 475440, 487326, 556944, 649768, 696180, 812210, 928240, 974652, 1218315, 1299536, 1392360, 1624420, 1949304, 2436630, 2784720, 3248840, 3898608, 4873260, 6497680, 9746520, 19493040]

約数ペア:

[(1, 19493040), (2, 9746520), (3, 6497680), (4, 4873260), (5, 3898608), (6, 3248840), (7, 2784720), (8, 2436630), (10, 1949304), (12, 1624420), (14, 1392360), (15, 1299536), (16, 1218315), (20, 974652), (21, 928240), (24, 812210), (28, 696180), (30, 649768), (35, 556944), (40, 487326), (41, 475440), (42, 464120), (48, 406105), (56, 348090), (60, 324884), (70, 278472), (80, 243663), (82, 237720), (84, 232060), (105, 185648), (112, 174045), (120, 162442), (123, 158480), (140, 139236), (164, 118860), (168, 116030), (205, 95088), (210, 92824), (240, 81221), (246, 79240), (280, 69618), (283, 68880), (287, 67920), (328, 59430), (336, 58015), (410, 47544), (420, 46412), (492, 39620), (560, 34809), (566, 34440), (574, 33960), (615, 31696), (656, 29715), (820, 23772), (840, 23206), (849, 22960), (861, 22640), (984, 19810), (1132, 17220), (1148, 16980), (1230, 15848), (1415, 13776), (1435, 13584), (1640, 11886), (1680, 11603), (1698, 11480), (1722, 11320), (1968, 9905), (1981, 9840), (2264, 8610), (2296, 8490), (2460, 7924), (2830, 6888), (2870, 6792), (3280, 5943), (3396, 5740), (3444, 5660), (3962, 4920), (4245, 4592), (4305, 4528)]