19478972672

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{4099}}^1$

素因数の和:5111

約数の個数: 72

約数和(自身を含む): 40980156000

約数和(自身を除く): 21501183328

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 977, 1216, 1954, 2432, 3908, 4099, 4864, 7816, 8198, 15632, 16396, 18563, 31264, 32792, 37126, 62528, 65584, 74252, 77881, 125056, 131168, 148504, 155762, 250112, 262336, 297008, 311524, 524672, 594016, 623048, 1049344, 1188032, 1246096, 2376064, 2492192, 4004723, 4752128, 4984384, 8009446, 9968768, 16018892, 19937536, 32037784, 64075568, 76089737, 128151136, 152179474, 256302272, 304358948, 512604544, 608717896, 1025209088, 1217435792, 2434871584, 4869743168, 9739486336, 19478972672]

約数ペア:

[(1, 19478972672), (2, 9739486336), (4, 4869743168), (8, 2434871584), (16, 1217435792), (19, 1025209088), (32, 608717896), (38, 512604544), (64, 304358948), (76, 256302272), (128, 152179474), (152, 128151136), (256, 76089737), (304, 64075568), (608, 32037784), (977, 19937536), (1216, 16018892), (1954, 9968768), (2432, 8009446), (3908, 4984384), (4099, 4752128), (4864, 4004723), (7816, 2492192), (8198, 2376064), (15632, 1246096), (16396, 1188032), (18563, 1049344), (31264, 623048), (32792, 594016), (37126, 524672), (62528, 311524), (65584, 297008), (74252, 262336), (77881, 250112), (125056, 155762), (131168, 148504)]