19802940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 40677060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 57, 58, 60, 76, 87, 95, 114, 116, 145, 174, 190, 228, 285, 290, 348, 380, 435, 551, 570, 580, 599, 870, 1102, 1140, 1198, 1653, 1740, 1797, 2204, 2396, 2755, 2995, 3306, 3594, 5510, 5990, 6612, 7188, 8265, 8985, 11020, 11381, 11980, 16530, 17371, 17970, 22762, 33060, 34143, 34742, 35940, 45524, 52113, 56905, 68286, 69484, 86855, 104226, 113810, 136572, 170715, 173710, 208452, 227620, 260565, 330049, 341430, 347420, 521130, 660098, 682860, 990147, 1042260, 1320196, 1650245, 1980294, 3300490, 3960588, 4950735, 6600980, 9901470, 19802940]

約数ペア:

[(1, 19802940), (2, 9901470), (3, 6600980), (4, 4950735), (5, 3960588), (6, 3300490), (10, 1980294), (12, 1650245), (15, 1320196), (19, 1042260), (20, 990147), (29, 682860), (30, 660098), (38, 521130), (57, 347420), (58, 341430), (60, 330049), (76, 260565), (87, 227620), (95, 208452), (114, 173710), (116, 170715), (145, 136572), (174, 113810), (190, 104226), (228, 86855), (285, 69484), (290, 68286), (348, 56905), (380, 52113), (435, 45524), (551, 35940), (570, 34742), (580, 34143), (599, 33060), (870, 22762), (1102, 17970), (1140, 17371), (1198, 16530), (1653, 11980), (1740, 11381), (1797, 11020), (2204, 8985), (2396, 8265), (2755, 7188), (2995, 6612), (3306, 5990), (3594, 5510)]