18738972

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3541}}^1$

素因数の和:3568

約数の個数: 72

約数和(自身を含む): 56530320

約数和(自身を除く): 37791348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3541, 5292, 7082, 10623, 14164, 21246, 24787, 31869, 42492, 49574, 63738, 74361, 95607, 99148, 127476, 148722, 173509, 191214, 223083, 297444, 347018, 382428, 446166, 520527, 669249, 694036, 892332, 1041054, 1338498, 1561581, 2082108, 2676996, 3123162, 4684743, 6246324, 9369486, 18738972]

約数ペア:

[(1, 18738972), (2, 9369486), (3, 6246324), (4, 4684743), (6, 3123162), (7, 2676996), (9, 2082108), (12, 1561581), (14, 1338498), (18, 1041054), (21, 892332), (27, 694036), (28, 669249), (36, 520527), (42, 446166), (49, 382428), (54, 347018), (63, 297444), (84, 223083), (98, 191214), (108, 173509), (126, 148722), (147, 127476), (189, 99148), (196, 95607), (252, 74361), (294, 63738), (378, 49574), (441, 42492), (588, 31869), (756, 24787), (882, 21246), (1323, 14164), (1764, 10623), (2646, 7082), (3541, 5292)]