19531773

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 30608160

約数和(自身を除く): 11076387

約数列:

[1, 3, 9, 27, 59, 61, 67, 81, 177, 183, 201, 531, 549, 603, 1593, 1647, 1809, 3599, 3953, 4087, 4779, 4941, 5427, 10797, 11859, 12261, 32391, 35577, 36783, 97173, 106731, 110349, 241133, 291519, 320193, 331047, 723399, 2170197, 6510591, 19531773]

約数ペア:

[(1, 19531773), (3, 6510591), (9, 2170197), (27, 723399), (59, 331047), (61, 320193), (67, 291519), (81, 241133), (177, 110349), (183, 106731), (201, 97173), (531, 36783), (549, 35577), (603, 32391), (1593, 12261), (1647, 11859), (1809, 10797), (3599, 5427), (3953, 4941), (4087, 4779)]